fix(p2p): limit round statistic memory and record only recognized routes

[oXtxNt9U]

Summary

• The statistic plugin keyed requests by raw request.path, and unmatched paths (which skip the ban check and rate limiter entirely) were still recorded
• RoundStatistic retained one record per request in unbounded per-ip and per-endpoint arrays
• Measured on 500k pings per round: ~62 MiB → ~0.1 MiB retained, identical reported counts

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

❌ Patch coverage is 97.82609% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 77.94%. Comparing base (b178403) to head (8ee9e1e).

Files with missing lines	Patch %	Lines
packages/p2p/source/statistic/round-statistic.ts	97.72%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1448      +/-   ##
===========================================
+ Coverage    77.38%   77.94%   +0.56%     
===========================================
  Files          923      934      +11     
  Lines        15978    16456     +478     
  Branches      2185     2280      +95     
===========================================
+ Hits         12364    12827     +463     
- Misses        3609     3622      +13     
- Partials         5        7       +2     

Flag	Coverage Δ
contracts	91.76% <ø> (?)
packages	77.57% <97.82%> (+0.18%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.